Consisting of ether; hence, exceedingly light or airy; tenuous; spiritlike; characterized by extreme delicacy, as form, manner, thought, etc.
Pertaining to the (real or hypothetical) upper, purer air, or to the higher regions beyond the earth or beyond the atmosphere.
To do with diethyl ether.
Pertaining to the immaterial realm, as symbolically represented by, or (in earlier epochs) conflated with, such atmospheric and extra-atmospheric concepts.
Elevated in style or nature, sublime; of high intellectual or moral value.
Distant from the lives and everyday concerns of ordinary people; esoteric, exclusive, select.
Less dense than usual; thin.